Finding the Fourth Proportional to 211,772,938.48, 292,253,752.36 and 117,691,050.92
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Solution
The fourth proportional to 211,772,938.48, 292,253,752.36 and 117,691,050.92 is: 162,417,594.51
Step by Step Solution
- Step 1: Write the proportion equation
211,772,938.48 : 292,253,752.36 = 117,691,050.92 : x - Step 2: Convert to fraction form
211,772,938.48/292,253,752.36 = 117,691,050.92/x - Step 3: Cross multiply
211,772,938.48x = 292,253,752.36 × 117,691,050.92 - Step 4: Simplify right side
211,772,938.48x = 34,395,651,250,561,832 - Step 5: Solve for x
x = 34,395,651,250,561,832/211,772,938.48 - Step 6: Final answer
x = 162,417,594.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.